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Finding the Fourth Proportional to 893,308, 1,232,765.04 and 490,900

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Solution

The fourth proportional to 893,308, 1,232,765.04 and 490,900 is: 677,442

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,308 : 1,232,765.04 = 490,900 : x
  2. Step 2: Convert to fraction form
    893,308/1,232,765.04 = 490,900/x
  3. Step 3: Cross multiply
    893,308x = 1,232,765.04 × 490,900
  4. Step 4: Simplify right side
    893,308x = 605,164,358,136
  5. Step 5: Solve for x
    x = 605,164,358,136/893,308
  6. Step 6: Final answer
    x = 677,442

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.